1 files changed, 134 insertions, 0 deletions
diff --git a/dom/html/HTMLOptionElement.h b/dom/html/HTMLOptionElement.h
new file mode 100644
index 0000000000..4d8e920a52
--- /dev/null
+++ b/dom/html/HTMLOptionElement.h
@@ -0,0 +1,134 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLOptionElement_h__
+#define mozilla_dom_HTMLOptionElement_h__
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "mozilla/dom/HTMLFormElement.h"
+
+namespace mozilla::dom {
+
+class HTMLSelectElement;
+
+class HTMLOptionElement final : public nsGenericHTMLElement {
+ public:
+  explicit HTMLOptionElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  static already_AddRefed<HTMLOptionElement> Option(
+      const GlobalObject& aGlobal, const nsAString& aText,
+      const Optional<nsAString>& aValue, bool aDefaultSelected, bool aSelected,
+      ErrorResult& aError);
+
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLOptionElement, option)
+
+  // nsISupports
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLOptionElement, nsGenericHTMLElement)
+
+  using mozilla::dom::Element::GetText;
+
+  bool Selected() const { return State().HasState(ElementState::CHECKED); }
+  void SetSelected(bool aValue);
+
+  void SetSelectedChanged(bool aValue) { mSelectedChanged = aValue; }
+
+  nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
+                                      int32_t aModType) const override;
+
+  void BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
+                     const nsAttrValue* aValue, bool aNotify) override;
+  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
+
+  void SetSelectedInternal(bool aValue, bool aNotify);
+
+  /**
+   * This callback is called by an optgroup on all its option elements whenever
+   * its disabled state is changed so that option elements can know their
+   * disabled state might have changed.
+   */
+  void OptGroupDisabledChanged(bool aNotify);
+
+  /**
+   * Check our disabled content attribute and optgroup's (if it exists) disabled
+   * state to decide whether our disabled flag should be toggled.
+   */
+  void UpdateDisabledState(bool aNotify);
+
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  void UnbindFromTree(bool aNullParent = true) override;
+
+  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  nsresult CopyInnerTo(mozilla::dom::Element* aDest);
+
+  bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
+
+  void SetDisabled(bool aValue, ErrorResult& aRv) {
+    SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
+  }
+
+  HTMLFormElement* GetForm();
+
+  void GetRenderedLabel(nsAString& aLabel) {
+    if (!GetAttr(nsGkAtoms::label, aLabel) || aLabel.IsEmpty()) {
+      GetText(aLabel);
+    }
+  }
+
+  void GetLabel(nsAString& aLabel) {
+    if (!GetAttr(nsGkAtoms::label, aLabel)) {
+      GetText(aLabel);
+    }
+  }
+  void SetLabel(const nsAString& aLabel, ErrorResult& aError) {
+    SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
+  }
+
+  bool DefaultSelected() const { return HasAttr(nsGkAtoms::selected); }
+  void SetDefaultSelected(bool aValue, ErrorResult& aRv) {
+    SetHTMLBoolAttr(nsGkAtoms::selected, aValue, aRv);
+  }
+
+  void GetValue(nsAString& aValue) {
+    if (!GetAttr(nsGkAtoms::value, aValue)) {
+      GetText(aValue);
+    }
+  }
+  void SetValue(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
+  }
+
+  void GetText(nsAString& aText);
+  void SetText(const nsAString& aText, ErrorResult& aRv);
+
+  int32_t Index();
+
+ protected:
+  virtual ~HTMLOptionElement();
+
+  JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
+
+  /**
+   * Get the select content element that contains this option, this
+   * intentionally does not return nsresult, all we care about is if
+   * there's a select associated with this option or not.
+   */
+  HTMLSelectElement* GetSelect();
+
+  bool mSelectedChanged = false;
+
+  // True only while we're under the SetOptionsSelectedByIndex call when our
+  // "selected" attribute is changing and mSelectedChanged is false.
+  bool mIsInSetDefaultSelected = false;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLOptionElement_h__